compress pdf: arthize vs sejda →
Compress PDF: Arthize vs Sejda
Updated July 2026
To compress a PDF, Arthize offers a free, private compress pdf with no watermark — a focused alternative to Sejda. Compressing a PDF reduces file size — often 50–90% on image-heavy scans — by down-sampling images and stripping redundant data, while keeping text selectable.
Arthize's compress pdf vs Sejda
Sejda is a web and desktop PDF editor. Sejda offers capable editing with daily task limits on its free tier.
Arthize's approach: Compressing a PDF reduces file size — often 50–90% on image-heavy scans — by down-sampling images and stripping redundant data, while keeping text selectable.
- Files are processed inside your private Arthize workspace and deleted after the job — never sold or used to train models.
- Transparent pricing: free forever, Pro from $6/mo or $48/yr, and a one-time $149 lifetime option.
- A lifetime option beyond weekly or monthly plans.
- The free plan never adds a watermark to your output.
How to compress a PDF with Arthize
PDF file size almost always comes from embedded images, not text.
Down-sampling scans to a lower DPI usually gets an image-heavy file under 1MB.
Light compression is visually lossless for most documents.
How to compress a PDF with Arthize
- 1
Open the compress tool
Sign in and open the Compress tool.
- 2
Add your PDF
Upload the oversized file; it is processed privately.
- 3
Pick a compression level
Higher compression down-samples images more; light compression keeps them crisp.
- 4
Download the smaller file
Most image-heavy PDFs drop well under 1MB with no visible quality loss.
Common questions
- Is Arthize a good Sejda alternative to compress a PDF?
- Yes. Compressing a PDF reduces file size — often 50–90% on image-heavy scans — by down-sampling images and stripping redundant data, while keeping text selectable. Arthize does it free with no watermark and deletes the file after the job. Sejda's in-browser editor is genuinely capable for detailed edits.
- How do I compress a PDF to under 1MB?
- Compressing a PDF reduces file size — often 50–90% on image-heavy scans — by down-sampling images and stripping redundant data, while keeping text selectable. On Arthize it's free with no watermark and processed privately.
- Will compressing a PDF lose quality?
- Compressing a PDF reduces file size — often 50–90% on image-heavy scans — by down-sampling images and stripping redundant data, while keeping text selectable. On Arthize it's free with no watermark and processed privately.
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